Underused Part of the Electromagnetic Spectrum Gets Optics Boost From Metamaterial

Underused part of the electromagnetic spectrum gets optics boost from metamaterial
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Terahertz radiation, or T-rays, has barely been exploited compared to most of the rest of the electromagnetic spectrum. Yet T-rays potentially have applications in next-generation wireless communications (6G/7G), security systems, biomedicine, and even art history. A new device for controlling T-rays using a specially designed ‘metasurface’ with properties not found in nature could begin to realize this potential. The findings are published in the peer-reviewed journal Optics Express on July 13th, 2020. The ‘terahertz gap’ is a term used by engineers to describe how very little technology exists […] Terahertz metasurface ultra-thin collimator for power enhancement Credit: Takehito Suzuki, TUAT

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